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En Masse Retraction and Two-Step Retraction of Maxillary Anterior Teeth in Adult Class I Women
Anchorage loss Lip protrusion En masse retraction Two-step retraction
2008/11/10
Objective: To compare the amount of anchorage loss of the maxillary posterior teeth and amount of retraction of the maxillary anterior teeth between en masse retraction and two-step retraction of the ...